EP3829911B1 - Verbindungsgelenk zwischen rahmen und motor für ein motorrad und motorrad mit diesem verbindungsgelenk - Google Patents

Verbindungsgelenk zwischen rahmen und motor für ein motorrad und motorrad mit diesem verbindungsgelenk Download PDF

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Publication number
EP3829911B1
EP3829911B1 EP19748970.1A EP19748970A EP3829911B1 EP 3829911 B1 EP3829911 B1 EP 3829911B1 EP 19748970 A EP19748970 A EP 19748970A EP 3829911 B1 EP3829911 B1 EP 3829911B1
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EP
European Patent Office
Prior art keywords
motorcycle
washers
connection joint
frame
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19748970.1A
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English (en)
French (fr)
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EP3829911A1 (de
EP3829911C0 (de
Inventor
Andrea Raffaelli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Piaggio and C SpA
Original Assignee
Piaggio and C SpA
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Publication date
Application filed by Piaggio and C SpA filed Critical Piaggio and C SpA
Publication of EP3829911A1 publication Critical patent/EP3829911A1/de
Application granted granted Critical
Publication of EP3829911B1 publication Critical patent/EP3829911B1/de
Publication of EP3829911C0 publication Critical patent/EP3829911C0/de
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12—Arrangement of engine supports
    • B60K5/1208—Resilient supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12—Arrangement of engine supports
    • B60K5/1208—Resilient supports
    • B60K5/1225—Resilient supports comprising resilient rings surrounding a part of the unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12—Arrangement of engine supports
    • B60K5/1208—Resilient supports
    • B60K5/1233—Resilient supports comprising protective elements, e.g. for protecting against heat, dust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K25/00—Axle suspensions
    • B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
    • B62K25/28—Axle suspensions for mounting axles resiliently on cycle frame or fork with pivoted chain-stay
    • B62K25/283—Axle suspensions for mounting axles resiliently on cycle frame or fork with pivoted chain-stay for cycles without a pedal crank, e.g. motorcycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M7/00—Motorcycles characterised by position of motor or engine
    • B62M7/02—Motorcycles characterised by position of motor or engine with engine between front and rear wheels
    • B62M7/04—Motorcycles characterised by position of motor or engine with engine between front and rear wheels below the frame
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/50—Other types of ball or roller bearings
    • F16C19/502—Other types of ball or roller bearings with rolling elements in rows not forming a full circle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/12—Motorcycles, Trikes; Quads; Scooters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/12—Motorcycles, Trikes; Quads; Scooters
    • B60Y2200/126—Scooters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2202/00—Motorised scooters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/20—Land vehicles

Definitions

  • the present invention relates to an improved connection joint between frame and motor for a motorcycle and the relative motorcycle comprising said connection joint.
  • the extent of the movement of the motor is instead limited by at least one silentblock (typically 1 or 2) which also has the task of filtering the vibrations.
  • US 3 542 146 A discloses a connection joint for a motorcycle according to the preamble of claim 1.
  • connection joint according to claim 1 and by a motorcycle according to claim 7.
  • reference numeral 4 globally indicates an overall schematic view of a motorcycle according to the present invention.
  • motorcycle refers to any motor vehicle provided with at least two wheels, of which at least one front steering wheel and at least one rear wheel; this definition also includes three-wheeled motorcycles, with two wheels at the front or rear, and quadricycles.
  • the motorcycle 4 comprises a frame 8 and a motor 12 hinged to the frame 8.
  • the type of motor 12 which can have any power, power supply (including electric motors) and displacement, and not even the type of frame 8 which can be of any architecture, geometry and material, are not relevant.
  • connection joint 16 arranged on the hinging of the motor 12 to the frame 8.
  • connection joint implements the connection between portions integral with the motor and the frame of the motor vehicle, so that the motor moves substantially on a longitudinal plane which extends along the length of the vehicle and which passes substantially through the center line of the motorized vehicle.
  • connection joints 16', 16" are provided, respectively connected to the frame 8 and to opposite ends 20, 24 of a pin 28 inserted between the frame 8 and the connections joints 16', 16" themselves.
  • the pin 28 serves to hinge the motor 12 to the frame 8.
  • connection joint 16 is suitable for connecting together a first fixed portion 32 and a second movable portion 34, which is movable with respect to said fixed portion 32.
  • connection joint 16 comprises a pair of washers 36, 40 with respective planar surfaces 44 facing each other with respect to an axial direction X-X.
  • the axial direction X-X identifies a direction perpendicular to said planar surfaces 44, as well as a direction parallel to a reciprocal rotation axis between the washers 36, 40 and therefore between the fixed portion 32 and the movable portion 34.
  • said planar surfaces 44 are parallel to each other.
  • connection joint 16 comprises a plurality of rolling balls 48 interposed between said planar surfaces 44 of said washers 36, 40.
  • the portions of washers 36, 40 on which the rolling balls 48 rest should be flat to ensure absolute freedom of movement in every direction of the plane, or a pure rolling: for this reason, said planar surfaces 44 of the washers 36, 40 are provided.
  • the rolling balls 48 can move each having only two contact points diametrically opposed to each other, one against each corresponding planar surface 44 of a washer 36, 40.
  • the rolling balls 48 allow a relative movement between the first fixed portion 32 and the second movable portion 34 in a plane parallel to said planar surfaces. Moreover, the rolling balls allow a relative rotation between the first fixed portion 32 and the second movable portion 34 around an axis of rotation perpendicular to said planar surfaces 44, and parallel to said axial direction X-X.
  • connection joint 16 further comprises an elastic spacer element 52 connected to the pair of washers 36, 40 so as to space said washers 36, 40 to each other in a radial direction R-R, perpendicular to said axial direction X-X.
  • the rolling balls 48 are at least partially contained in a containment cage 56, suitable for spaced apart from each other and radially containing said rolling balls 48.
  • said containment cage 48 is made of polyamide and/or metal. The containment cage 48 keeps the rolling balls 48 angularly spaced apart so that they never come into mutual contact with one another and can ensure a rolling friction, that is, a pure rolling between the washers 36, 40.
  • each washer 36, 40 comprises a cylindrical portion 60, 64 orthogonal to the respective planar surface 44 and said cylindrical portions 60, 64 of said washers 36, 40 are concentric with each other.
  • the cylindrical portions 60, 64 are axial-symmetrical with respect to an axis of symmetry parallel to said axial direction X-X.
  • said elastic spacer element 52 is interposed between said cylindrical portions 60, 64 of said washers 36, 40.
  • the rolling balls 48 are placed radially outside the elastic spacer element 52, even if this position can be reversed.
  • the rolling balls 48 are radially external with respect to the elastic spacer element 52 so that the rolling balls work on the largest possible radius. This improves the stiffness of the connection joint 16.
  • the optimal situation would be that the containment cage 56 in its movements is totally free from impediments. If we imagine that a washer 36 moves by a certain value with respect to the other washer 40, the containment cage 56 which holds the balls in pure rolling will translate only by half of this value: therefore it is sufficient to implement the containment with a radial retaining ring 68, preferably of the elastic type, perimetrically fitted on said washers 36, 40 ( figures 7-8 ) .
  • the elastic spacer element 52 is mounted with radial and/or axial preloading between said washers 36, 40.
  • the connection joint 16 comprises a ring nut 72 for axially loading said washers 36, 40 of the connection joint 16 with respect to one another with a preloading force; said preloading force is adapted to bring said washers close together in an axial X-X and/or radial direction R-R.
  • the load whereby the planes compress the rolling balls 48 can be imposed by the preload present at the time of vulcanization of the rubber of the elastic spacer element 52, or with a system with ring nuts, typically in the case of use on a scooter.
  • connection joint 16 is used to connect the motor 12 to the frame 8.
  • at least one washer 36, 40 is coupled to said pin 28.
  • connection joints 16', 16" are used, wherein a washer 36, 40 of each of said connection joints is integral with the frame 8 and the other washer 40, 36 of each of said connection joints 16', 16" is integral with the pin 28.
  • connection joints 16', 16" are mounted in a mirror-like manner with respect to a center plane M-M of said motorcycle.
  • connection joint applied to a motorcycle according to the present invention.
  • said motor 12 is hinged to the frame 8 by means of a pin 28 and said at least one washer 36, 40 is coupled to said pin 28 and to the motor 12, while the other washer 40, 36 is instead coupled to the frame 8.
  • the pair of washers 36, 40 provided with planar surfaces 44 moves in planar motion with respect to one another defining/allowing a translational movement along a first and a second direction on said planar surfaces and a rotary movement about a rotation axis substantially orthogonal to said planar surfaces 44, parallel to the axial direction X-X.
  • the elastic spacer element 52 associated with said washers 36, 40 with planar surfaces 44, is adapted to absorb radial loads derived from radial movements of said washers 36, 40 in a direction substantially parallel to said planar surfaces 44, with respect to one other.
  • the rolling balls 48 thanks to the containment cage 56, guarantee a pure rolling, i.e. rolling friction, between the planar surfaces 44 of the washers 36, 40.
  • the present invention allows overcoming the drawbacks of the prior art.
  • the joint of the present invention fulfills the function of a pair of connecting rods universally used in the solutions of the prior art, with the advantage of being lighter, more cost-effective and less bulky.
  • the present invention allows the elimination of the inclination between the rings of the silentblock during its deformation, and therefore a better dynamic behavior of the motorcycle, with respect to the solutions of the prior art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Vibration Prevention Devices (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Claims (13)

  1. Verbindungsgelenk (16) für ein Motorrad (4), welches dazu geeignet ist, miteinander einen ersten festen Abschnitt (32) und einen zweiten bewegbaren Abschnitt (34) bezüglich des festen Abschnitts (32) zu verbinden, umfassend:
    ein Paar von Unterlegscheiben (36, 40) mit jeweiligen ebenen Flächen (44), welche bezüglich einer axialen Richtung (X-X) zueinander weisen, dadurch gekennzeichnet, dass es ferner umfasst:
    eine Mehrzahl von Rollkugeln (48), welche zwischen den ebenen Flächen (44) der Unterlegscheiben (36, 40) eingefügt sind,
    ein elastisches Abstandselement (52), welches mit dem Paar von Unterlegscheiben (36, 40) derart verbunden ist, dass die Unterlegscheiben (36, 40) zueinander in einer radialen Richtung (R-R) senkrecht zu der axialen Richtung (X-X) beabstandet sind;
    wobei die Rollkugeln (48) radial extern bezüglich des elastischen Abstandselements (52) sind.
  2. Verbindungsgelenk (16) nach Anspruch 1, wobei die Rollkugeln (48) wenigstens teilweise in einem Aufnahmekäfig (56) aufgenommen sind, welcher geeignet ist, sie voneinander beabstandet und radial die Rollkugeln (48) aufzunehmen.
  3. Verbindungsgelenk (16) nach Anspruch 1 oder 2, wobei jede Unterlegscheibe (36, 40) einen zylindrischen Abschnitt (60, 64) umfasst, welcher orthogonal zu der entsprechenden ebenen Fläche (44) ist, und die zylindrischen Abschnitte (60, 64) der Unterlegscheiben (36, 40) konzentrisch zueinander sind.
  4. Verbindungsgelenk (16) nach Anspruch 3, wobei das elastische Abstandselement (52) zwischen den zylindrischen Abschnitten (60, 64) der Unterlegscheiben (36, 40) eingefügt ist.
  5. Verbindungsgelenk (16) nach einem der vorhergehenden Ansprüche, ferner umfassend einen radialen Haltering (68), vorzugsweise von einem elastischen Typ, welcher umfänglich an die Unterlagscheiben (36, 40) gepasst ist.
  6. Verbindungsgelenk (16) nach einem der vorhergehenden Ansprüche, wobei die ebenen Flächen (44) parallel zueinander sind.
  7. Motorrad (4), umfassend einen Rahmen (8) und einen an den Rahmen (8) angelenkten Motor (12), wenigstens ein Verbindungsgelenk (16) nach einem der vorhergehenden Ansprüche, wobei das Verbindungsgelenk (16) an dem Anlenkpunkt des Motors (12) an den Rahmen (8) angeordnet ist.
  8. Motorrad (4) nach Anspruch 7, wobei das elastische Abstandselement (52) mit einer radialen und/oder axialen Vorlast zwischen den Unterlegscheiben (36, 40) montiert ist.
  9. Motorrad (4) nach einem der Ansprüche 7 oder 8, wobei der Motor (12) an den Rahmen (8) mittels eines Stifts (28) angelenkt ist und die wenigstens eine Unterlegscheibe (36, 40) mit dem Stift (28) gekoppelt ist.
  10. Motorrad (4) nach einem der Ansprüche 7 bis 9, umfassend eine Ringmutter (72) für ein axiales Vorbelasten der Unterlegscheiben (36, 40) des Verbindungsgelenks (16) bezüglich einander mit einer Vorbelastkraft, wobei die Vorbelastkraft dazu eingerichtet ist, die beiden Unterlegscheiben (36, 40) näher zueinander zu bringen.
  11. Motorrad (4) nach einem der Ansprüche 9 bis 10, wobei zwei Verbindungsgelenke (16', 16") bereitgestellt sind, welche jeweils mit dem Rahmen (8) und an entgegengesetzten Enden (20, 24) des Stifts (28) verbunden sind.
  12. Motorrad (4) nach Anspruch 11, wobei eine Unterlegscheibe (36, 40) von jedem der Verbindungsgelenke (16', 16") integral mit dem Rahmen (8) ist und die andere Unterlegscheibe (40, 36) von jedem der Verbindungsgelenke (16', 16") integral mit dem Stift (28) ist.
  13. Motorrad (4) nach Anspruch 11 oder 12, wobei die Verbindungsgelenke (16', 16") in einer Spiegel-artigen Weise bezüglich einer Mittelebene (M-M) des Motorrads (4) montiert sind.
EP19748970.1A 2018-08-02 2019-07-30 Verbindungsgelenk zwischen rahmen und motor für ein motorrad und motorrad mit diesem verbindungsgelenk Active EP3829911B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102018000007767A IT201800007767A1 (it) 2018-08-02 2018-08-02 Giunto di connessione tra telaio e motore per motociclo, e relativo motociclo comprendente detto giunto di connessione
PCT/IB2019/056491 WO2020026141A1 (en) 2018-08-02 2019-07-30 Connection joint between frame and motor for motorcycle, and relative motorcycle comprising said connection joint

Publications (3)

Publication Number Publication Date
EP3829911A1 EP3829911A1 (de) 2021-06-09
EP3829911B1 true EP3829911B1 (de) 2024-02-14
EP3829911C0 EP3829911C0 (de) 2024-02-14

Family

ID=63965887

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19748970.1A Active EP3829911B1 (de) 2018-08-02 2019-07-30 Verbindungsgelenk zwischen rahmen und motor für ein motorrad und motorrad mit diesem verbindungsgelenk

Country Status (3)

Country Link
EP (1) EP3829911B1 (de)
IT (1) IT201800007767A1 (de)
WO (1) WO2020026141A1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB738837A (en) * 1952-11-13 1955-10-19 Zygmunt Stanislaw Piotrowski Improvements in containers, particularly money-collecting boxes
GB1219896A (en) * 1967-06-08 1971-01-20 Norton Villiers Ltd Improvements in or relating to chain driven vehicles
DE19542323A1 (de) * 1995-11-14 1997-05-15 Teves Gmbh Alfred Axialkugellager
JPH10236256A (ja) * 1997-02-26 1998-09-08 Tokai Rika Co Ltd エアバッグ装置

Also Published As

Publication number Publication date
IT201800007767A1 (it) 2020-02-02
WO2020026141A1 (en) 2020-02-06
EP3829911A1 (de) 2021-06-09
EP3829911C0 (de) 2024-02-14
TW202007876A (zh) 2020-02-16

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